Description

Dimercaptosuccinic Acid is a versatile organosulfur compound featuring two thiol groups, making it a powerful chelating agent. Its primary commercial value lies in its ability to form stable complexes with various heavy metal ions, which is critical for purification and detoxification processes. This chemical is essential for manufacturers in the pharmaceutical, chemical synthesis, and environmental remediation sectors seeking high-purity intermediates and analytical reagents.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of chelation therapy drugs, such as Succimer, used for treating heavy metal poisoning.
• Analytical Chemistry Reagent: Used as a complexing agent in titrations and for the spectrophotometric determination of metal ions like lead, mercury, and cadmium.
• Chemical Synthesis: Serves as a building block for producing dithiols, polymers, and other specialty chemicals requiring thiol functionality.
• Environmental & Water Treatment: Employed in processes to sequester and remove toxic heavy metals from industrial wastewater.
• Catalyst & Ligand: Acts as a ligand in coordination chemistry and catalysis for various organic transformations.
• Research & Development: Utilized in biochemical and material science research for studying metal-protein interactions and creating novel materials.

Basic Information

Product Name	Dimercaptosuccinic Acid
CAS No.	2418-14-6
Molecular Formula	C4H6O4S2
Molecular Weight	182.22 g/mol
Synonyms	DMSA; Succimer; 2,3-Dimercaptosuccinic Acid; Meso-2,3-Dimercaptosuccinic Acid; Chemet; 2,3-Dithiosuccinic Acid; (R*,S*)-2,3-Dimercaptobutanedioic Acid
EINECS	219-323-3

Quality Control

Our Dimercaptosuccinic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its property of being easily oxidized, it is recommended to store the product under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	191°C - 195°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.